package com.atguigu.gulimall.product.controller;

import java.util.Arrays;
import java.util.List;
import java.util.Map;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.atguigu.gulimall.product.entity.CategoryEntity;
import com.atguigu.gulimall.product.service.CategoryService;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.R;



/**
 * 商品三级分类
 *
 * @author zengjinjin
 * @email 634261259@qq.com
 * @date 2021-03-04 20:50:16
 */
@RestController
@RequestMapping("product/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 查询所有分类以及子分类，以树形结构组装起来
     */
    @RequestMapping("/list/tree")
    public R list(){
       List<CategoryEntity> entities= categoryService.listWithTree();

        return R.ok().put("data", entities);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{catId}")
    public R info(@PathVariable("catId") Long catId){
		CategoryEntity category = categoryService.getById(catId);

        return R.ok().put("data", category);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
    public R save(@RequestBody CategoryEntity category){
		categoryService.save(category);

        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
    public R update(@RequestBody CategoryEntity category){
//		categoryService.updateById(category);
        //修改分类时也需要修改其它表中的冗余字段保证一致性,级联更新
        categoryService.updateCascade(category);
        return R.ok();
    }
    /**
     * 批量修改菜单排序
     */
    @RequestMapping("/update/sort")
    public R updateSort(@RequestBody List<CategoryEntity> category){
       if (!category.isEmpty()){
           categoryService.updateBatchById(category);
       }
        return R.ok();
    }

    /**
     * 删除
     *@RequestBody 获取请求体,必须使用post请求
     * Spring MVC会自动将请求的数据(json),转换为对应的对象
     *
     */
    @RequestMapping("/delete")
    public R delete(@RequestBody Long[] catIds){
//		categoryService.removeByIds(Arrays.asList(catIds));
        //实现逻辑批量删除,自己修改方法
        categoryService.removeMenuByIds(Arrays.asList(catIds));
        return R.ok();
    }

}
